diff options
Diffstat (limited to 'drivers/infiniband/ulp/iser/iser_memory.c')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iser_memory.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index d9ed6234c505..6c5ce357fba6 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -440,51 +440,44 @@ int iser_reg_rdma_mem_fmr(struct iscsi_iser_task *iser_task, return 0; } -static inline enum ib_t10_dif_type -scsi2ib_prot_type(unsigned char prot_type) -{ - switch (prot_type) { - case SCSI_PROT_DIF_TYPE0: - return IB_T10DIF_NONE; - case SCSI_PROT_DIF_TYPE1: - return IB_T10DIF_TYPE1; - case SCSI_PROT_DIF_TYPE2: - return IB_T10DIF_TYPE2; - case SCSI_PROT_DIF_TYPE3: - return IB_T10DIF_TYPE3; - default: - return IB_T10DIF_NONE; - } -} - static inline void iser_set_dif_domain(struct scsi_cmnd *sc, struct ib_sig_attrs *sig_attrs, struct ib_sig_domain *domain) { - unsigned char scsi_ptype = scsi_get_prot_type(sc); - - domain->sig.dif.type = scsi2ib_prot_type(scsi_ptype); + domain->sig_type = IB_SIG_TYPE_T10_DIF; domain->sig.dif.pi_interval = sc->device->sector_size; domain->sig.dif.ref_tag = scsi_get_lba(sc) & 0xffffffff; + /* + * At the moment we hard code those, but in the future + * we will take them from sc. + */ + domain->sig.dif.apptag_check_mask = 0xffff; + domain->sig.dif.app_escape = true; + domain->sig.dif.ref_escape = true; + if (scsi_get_prot_type(sc) == SCSI_PROT_DIF_TYPE1 || + scsi_get_prot_type(sc) == SCSI_PROT_DIF_TYPE2) + domain->sig.dif.ref_remap = true; }; static int iser_set_sig_attrs(struct scsi_cmnd *sc, struct ib_sig_attrs *sig_attrs) { - sig_attrs->mem.sig_type = IB_SIG_TYPE_T10_DIF; - sig_attrs->wire.sig_type = IB_SIG_TYPE_T10_DIF; - switch (scsi_get_prot_op(sc)) { case SCSI_PROT_WRITE_INSERT: case SCSI_PROT_READ_STRIP: - sig_attrs->mem.sig.dif.type = IB_T10DIF_NONE; + sig_attrs->mem.sig_type = IB_SIG_TYPE_NONE; iser_set_dif_domain(sc, sig_attrs, &sig_attrs->wire); sig_attrs->wire.sig.dif.bg_type = IB_T10DIF_CRC; break; case SCSI_PROT_READ_INSERT: case SCSI_PROT_WRITE_STRIP: - sig_attrs->wire.sig.dif.type = IB_T10DIF_NONE; + sig_attrs->wire.sig_type = IB_SIG_TYPE_NONE; iser_set_dif_domain(sc, sig_attrs, &sig_attrs->mem); + /* + * At the moment we use this modparam to tell what is + * the memory bg_type, in the future we will take it + * from sc. + */ sig_attrs->mem.sig.dif.bg_type = iser_pi_guard ? IB_T10DIF_CSUM : IB_T10DIF_CRC; break; @@ -493,6 +486,11 @@ iser_set_sig_attrs(struct scsi_cmnd *sc, struct ib_sig_attrs *sig_attrs) iser_set_dif_domain(sc, sig_attrs, &sig_attrs->wire); sig_attrs->wire.sig.dif.bg_type = IB_T10DIF_CRC; iser_set_dif_domain(sc, sig_attrs, &sig_attrs->mem); + /* + * At the moment we use this modparam to tell what is + * the memory bg_type, in the future we will take it + * from sc. + */ sig_attrs->mem.sig.dif.bg_type = iser_pi_guard ? IB_T10DIF_CSUM : IB_T10DIF_CRC; break; @@ -501,10 +499,10 @@ iser_set_sig_attrs(struct scsi_cmnd *sc, struct ib_sig_attrs *sig_attrs) scsi_get_prot_op(sc)); return -EINVAL; } + return 0; } - static int iser_set_prot_checks(struct scsi_cmnd *sc, u8 *mask) { |